.case_top{
    width: 100%;
    height:128px ;
    background-image:url(../image/images/zhu/title1.png) ;
    background-repeat: no-repeat;
    background-position: center;
    padding: 30px;
}

#cases {
    width: 1300px;
    height: 593px;
    /*background-color: darkred;*/
    margin: 0 auto;
    position: relative;
}
.case_up {
    width: 287px;
    height: 290px;
    background-color: black;
    opacity: 0.4;
    position: absolute;
    display: none;
}
.case{
    width: 287px;
    height:260px;
    /*background-color: aqua;*/
    margin: 15px;
    float: left;
}
.image{
    position: relative;
    display:none;
    top: 70%;
    left: 50%;
    margin-left: -40px;
    margin-top:-80px;
}

.content{
    padding: 15px;
}
.content a{
    color: #A0825D;
    text-decoration: none;
}

.case:hover>.image{
    display: block;
}
.case:hover>.case_up {
    display: block;
}
